STAT15_1: (Please resolve all sections, each section separately, without using Excel software) Hold five balls. Three...
STAT15_1:
(Please resolve all sections, each section separately, without using Excel software)
Hold five balls. Three of them are number 1 and the remaining
two are number 2.
Pick a ball from the urn by chance. Let X be the number listed on
the selected ball.
Now cast a good coin X times. For example, if a ball on which the
number 2 is selected then the coin is cast twice. May Y be the
number of times received ", Plei"
A. Find the joint probability function of X and Y and the
marginal probability functions.
B. Are X and Y uncoordinated? Are they independent?
C. It is known that the coin did not fall on "Plei". What is the
probability that a ball has been removed from the number 2
ball?
D. Repeat the described experiment (picking the ball and dropping
the coin) twice. (The ball is returned to the pitcher before the
second repeat of the experiment).
What is the probability that the total number of times the coin
falls on "Plei" will be 2?
Homework Answers
Add Answer to:
STAT15_1:
(Please resolve all sections, each section separately,
without using Excel software)
Hold five balls. Three...
3.5-total number of ways in which 4 balls can be selected out of 6 white and...
3.5-total number of ways in which 4 balls can be selected out of
6 white and 9 black balls = 15P4 = 32760
Number of ways in which 4 balls can be selected where first 2
are white and last 2 black = 6P2*9P2 = 2160
Thus, required probability = 2160/32760 =
0.0659
3.16)
Let the event that baby survives delivery be denoted by B
and the event that C section is performed be denoted by C
P(B) = 0.98,...
3.5-total number of ways in which 4 balls can be selected out of
6 white and 9 black balls = 15P4 = 32760
Number of ways in which 4 balls can be selected where first 2
are white and last 2 black = 6P2*9P2 = 2160
Thus, required probability = 2160/32760 =
0.0659
3.16)
Let the event that baby survives delivery be denoted by B
and the event that C section is performed be denoted by C
P(B) = 0.98,...
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